Chosen Tandem 145mm Rear hub

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Hub Data
Manufacturer Chosen
Model Tandem
Descriptor
Position Rear
Axle Type 10mm
OLN 145 mm
Spoke Interface Type J-Bend
Brake Compatibility drum, thread-on
Drive Interface Shimano 8/9/10 (34.95mm)
Internal Gearing none
Dynamo Type none
Spoke Hole Diameter 2.7 mm
Left Flange Diameter 62 mm
Right Flange Diameter 62 mm
Left Flange Offset 31.5 mm
Right Flange Offset 22.5 mm
Mid-Flange Offset -4.5 mm (to the left)
Weight 508 g
URL
Metadata
Hub ID 554
Record Status Public
Created Oct 16, 2019 1:15pm
Contributed By Karl Stoerzinger
hub dimension diagram
10/16/2019 -- Measured used hub during a wheel rebuild. 3-pawl ratchet. Hub uses four 6001 cartridge bearings with a shouldered 12mm steel axle. Freehub has no outer race spacer; only an inner race spacer (press very carefully when installing second bearing).

40.5mm locknut to reg face on freehub body.

33.5mm locknut to reg face on drum threads. 10mm of thread length.

2.65mm plain spacer (to take the place of drum brake when not used) capped with a 6.7mm knurled spacer that touches the dropout, with set screw to bite axle for retention.
part image